Sequencing valve



FIG. 1 is a perspective view of a sequencing valve showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view showing our new design;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a front elevation view thereof.

The left side view is omitted as symmetrical to the right side view. 

The ornamental design for a sequencing valve, as shown and described. 